what is the name of speed of light is free space? 1) 3 × 10 5 m/s -1 2) 3 × 10 6 m/s -1 3) 3 × 10 5 km/s -1 4) 3 × 10 8 km/s -1
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Answer:
it is 299,792,458 meters per second (2.99792458 x 10 8 m/s).
Explanation:
in these 8 is a exponent
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